US PATENT SUBCLASS 585 / 509
.~.~.~ Using P-containing catalyst

Current as of: June, 1999
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585 /   HD   CHEMISTRY OF HYDROCARBON COMPOUNDS

500  DF  UNSATURATED COMPOUND SYNTHESIS {14}
502  DF  .~ By addition of entire unsaturated molecules, e.g., polymerization, etc. {8}
506  DF  .~.~ Poly-double-bond product {2}
509.~.~.~ Using P-containing catalyst

DEFINITION

Classification: 585/509

Using P-containing catalyst:

(under subclass 506) Subject matter catalyzed by a material containing phosphorus in free or combined form.

(1) Note. The product has two double bonds as, for example, a codimer of butene and butadiene, etc.